The surface area of a right-circular cone of radius r and height h is S = Tr/r² +h?, and its volume is V = Tr²h. (a) Determine h and r for the cone with given surface area S= 1 and maximal volume V. %3D h= r= (b) What is the ratio h/r for a cone with given volume V = 8 and minimal surface area S? (c) Does a cone with given volume V and maximal surface area exist? • A. no . В. yes

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
ChapterA: Appendix
SectionA.2: Geometric Constructions
Problem 9P: A soda can is made from 40 square inches of aluminum. Let x denote the radius of the top of the can,...
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The surface area of a right-circular cone of radius r and
height h is S = Tr/r² +h?, and its volume is V = Tr²h.
(a) Determine h and r for the cone with given surface area
S= 1 and maximal volume V.
%3D
h=
r=
(b) What is the ratio h/r for a cone with given volume V = 8
and minimal surface area S?
(c) Does a cone with given volume V and maximal surface
area exist?
• A. no
. В. yes
Transcribed Image Text:The surface area of a right-circular cone of radius r and height h is S = Tr/r² +h?, and its volume is V = Tr²h. (a) Determine h and r for the cone with given surface area S= 1 and maximal volume V. %3D h= r= (b) What is the ratio h/r for a cone with given volume V = 8 and minimal surface area S? (c) Does a cone with given volume V and maximal surface area exist? • A. no . В. yes
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